Fingerprinting with high-resolution wearable device data
Lily Koffman
Department of Biostatistics, Johns Hopkins School of Public Health
Introduction: accelerometry data
Introduction: accelerometry data
Can we identify someone from their walking pattern measured by a wrist-worn accelerometer?
Problem setup
Problem setup
Problem setup
Big picture method: time series to images
Fingerprints summarize predictors for a given lag and are different across individuals
Fingerprints summarize predictors for a given lag and are different across individuals
Fingerprints summarize predictors for a given lag and are different across individuals